Hire the Best Spring Security Specialists
in Egypt

🚀 I help startups and enterprises build scalable, production-ready software with a strong focus on Java, Spring Boot, and modern backend architecture. As a Software Engineer, I have designed and delivered systems ranging from start-up MVPs to enterprise and government platforms serving thousands of daily users. My expertise is cantered around building clean, maintainable, and high-performance backend applications, while also collaborating across the full software stack whenever projects require it. What I can help you build: ✔ Java & Spring Boot Applications ✔ REST APIs & Backend Services ✔ Microservices Architecture ✔ Authentication & Security (JWT, OAuth2, Keycloak) ✔ Event-Driven Systems (Kafka, RabbitMQ) ✔ Database Design & Optimization ✔ Performance Optimization ✔ System Integration ✔ Cloud-ready Applications ✔ Software Architecture & Code Refactoring Technologies I work with include Java, Spring Boot, Spring Security, Hibernate, PostgreSQL, MySQL, MongoDB, Redis, Kafka, RabbitMQ, Docker, Camunda, Keycloak, AWS, and modern observability tools. Beyond my primary backend expertise, I have also delivered successful projects using Python, FastAPI, Django, React, Next.js, Flutter, and Supabase whenever they were the right technology for the job. 🌟 Highlights • Architected and developed the complete backend microservices platform for "Crewpr", a Dubai-based startup, designing 10+ microservices, integrating multiple third-party services, and building a scalable production system serving thousands of active users. • Contributed to digital transformation projects for Irish government organizations, including Enterprise Ireland, NEH, and Startup Ireland, building secure and scalable backend systems. • Improved the performance and scalability of Yugo, a large-scale European student accommodation platform, by developing backend features and integrating external hospitality systems including RentCafe, Student Suite, and Entrata.

Senior Java Backend Developer with 10+ years building production systems using Spring Boot, REST APIs, and enterprise databases. CORE EXPERTISE: - Spring Boot, Spring MVC, Spring Data JPA, Spring Security - RESTful API design and development - Database design: MySQL, Oracle - Enterprise system integration - Production support and troubleshooting WHAT I DELIVER: - Spring Boot Enterprise applications and RESTful APIs - Database design and optimization (PostgreSQL, MySQL, Oracle) - System integrations and workflow engines - Application support and troubleshooting RECENT HIGHLIGHTS: - Built configurable workflow engine processing thousands of events - Designed multi-system integrations with comprehensive error handling - Kotlin + Spring Boot experience TECHNICAL SKILLS: Java, Spring Boot, Spring Framework, Kotlin, REST APIs, PostgreSQL, MySQL, AWS, Docker, Git, Agile/Scrum MICROSERVICES KNOWLEDGE: - Strong understanding of microservices architecture patterns through coursework and demo projects. Seeking opportunities to apply this knowledge in production environments and build distributed systems expertise under experienced architects. I have a 5.0 Upwork rating and clients describe me as "professional, responsive, and genuinely committed to delivering high-quality work." Available for long-term contracts (30+ hours/week).

With 10 years of experience in Backend Engineering and Full Stack Java Development, encompassing projects in cloud systems, web applications and mobile applications . Skills: -Java. -Spring Framework, Spring Boot, Spring Security, Spring Cloud, Microservice, Spring batch, JSF, Hibernate , JPA, Restful API, Web Service, Swagger, Graphql -JUnit, Mockito, TDD Principles, -MYSQL, Postgres, H2, Redis, Mongo, ELK, Keycloack -NodeJS, RXJS, Angular, React, Redux,. -Kafka, RabbitMQ -Data Visualization(D3.js,Hightchart.js) -Maven, Gradle - Jenkins CI/CD, Serverless - Amazon Web Services.. - Docker, Kubernetes.

I am a highly skilled software engineer with over seven years of experience in designing and developing scalable, high-performance applications using Java, Spring Boot, and microservices architecture. My expertise lies in building cloud-native solutions, leveraging AWS services to ensure reliability, security, and efficiency. I specialize in microservices development, utilizing Spring Boot to create modular, maintainable, and distributed systems that power critical business applications in industries such as finance, banking, insurance, commerce, and telecommunications. With a strong background in CI/CD pipelines and DevOps, I ensure seamless integration and deployment using Docker, Kubernetes, Jenkins, and AWS services. My hands-on experience in monitoring and observability includes working with Kibana, Elasticsearch, Jaeger, and Datadog to optimize system performance and troubleshoot issues effectively. I am proficient in Agile and SAFe methodologies, fostering collaboration and efficiency within development teams. Additionally, I have extensive experience with version control, automation, and infrastructure management using Git, Bitbucket, JIRA, Maven, SonarQube, and AWS CloudFormation. With a Bachelor of Science in Computer Science from the Faculty of Computers and Information (2016), I am passionate about building robust, scalable, and cloud-driven solutions that drive business success. For easy contact, that's my Skype Name:- mohamed.hamid660 Thank you

• +14 years as a Java developer • Oracle certified Java programmer since java 7 • 2x AWS Cloud practitioner and Solution Architect. • CKAD, and CKA - Certified kuberentes Application Developer and Administrator. • 2x GCP Professional Cloud Architect and Professional Security Engineer. • Spring Framework Tutor (Mentor) o Boot, Cloud, MVC, Rest, Data, Security, Reactor-Webflux, Integration, HATEOAS, Batch • Microservices • CICD: Jenkins, Travis CI, Kubernetes • AWS • Redis, EhCache • Hibernate, JPA • TDD: JUnit, Mockito 2, Wiremock • Flyway, Liquibase • MySQL, PL/SQL, MongoDB • SOAP, Restful • XML, JSON • Maven, Gradle • GIT • Azure Pipeline • Docker, Docker compose • CSS, Bootstrap, Java Script, jQuery • Technical documentation (REST APIs - Java - Spring framework) / Postman, Swagger, Custom.

Senior Java Software Engineer | Spring Boot | Microservices | Cloud & DevOps I am a Senior Java Software Engineer with over 4 years of experience building secure, scalable, and high-performance backend systems for telecom, enterprise, and SaaS applications. My expertise spans Java, Spring Boot, RESTful APIs, Microservices, and reactive programming (Spring WebFlux), along with hands-on experience in cloud services, containerization, and CI/CD automation. I help businesses transform ideas into robust, production-ready solutions by focusing on clean architecture, performance optimization, and long-term maintainability. My work consistently delivers faster response times, reduced operational costs, and improved system reliability. What I Do Best - Backend Development: Scalable REST & reactive services using Java, Spring Boot, Spring Data, Spring Security, Hibernate, and WebFlux. - Cloud & Serverless Solutions: AWS DynamoDB, Google Cloud APIs, Microsoft Vision API. - Microservices Architecture: Secure, containerized deployments with Docker, Kubernetes, and OpenShift. - Database Management: Oracle, PostgreSQL, MySQL, Redis, MongoDB, Firebase. - Messaging & Event-Driven Systems: Apache Kafka, RabbitMQ for distributed communication. - API Documentation & Integration: Swagger/OpenAPI, third-party API integration. - UI Integration: Angular, React plugins for enhanced user experience. Professional Highlights - Etisalat Egypt (Systems Limited) – Developed high-throughput, non-blocking backend services using Spring WebFlux, integrated AWS DynamoDB for ultra-fast NoSQL access, and built event-driven workflows with AWS Lambda, significantly reducing operational costs. - Vodafone Egypt (Systems Limited) – Modernized legacy systems (Apache Struts, JSP) into secure Spring Boot microservices, managed Oracle DB with 1M+ records, deployed containerized services on OpenShift, and configured SSL/TLS for secure JBoss deployments. - IST Networks – Built scalable REST APIs, integrated MySQL & third-party APIs, deployed services on Tomcat, linked Genesys Cloud & Cognigy AI with backend systems, and created React plugins to improve conversational AI UX. - Android Development – Delivered mobile apps using Java, Kotlin, Firebase, Google APIs, and taught Android development (Java, SQLite, Firebase) to aspiring developers. Notable Projects - Jobify: Job listing web service with Spring Boot, Spring Data JPA, and JWT security. - Pharmacy Management System: Spring Boot + MySQL system with Swagger documentation. - Bluetooth Smart Car Control App: Android app to control an embedded smart car via Bluetooth using Java/Kotlin. Why Work With Me ✅ Client-Focused: I understand business needs and translate them into technical solutions. ✅ Scalable & Maintainable Code: Clean architecture, SOLID principles, and efficient algorithms. ✅ End-to-End Expertise: From backend architecture to cloud deployment and monitoring. ✅ Problem-Solver: Skilled at debugging complex systems and improving performance. ✅ Proven Track Record: Delivered projects for top telecom companies with millions of active users. Tech Stack - Languages: Java, Kotlin, SQL - Frameworks: Spring Boot, Spring WebFlux, Hibernate, Angular, React plugins - Cloud: AWS, Google Cloud, Firebase - Databases: Oracle, MySQL, PostgreSQL, Redis, MongoDB, DynamoDB - Messaging: Kafka, RabbitMQ - Tools: Docker, Kubernetes, Jenkins, OpenShift, Swagger, Postman, Jira, Confluence - Version Control: Git, GitHub, GitLab, Bitbucket, Gitea